Lawn mower cleaning attachment



FIG. 1 is a perspective view of a lawn mower cleaning attachment, showing my new design, the broken line showing of the lawn mower is for illustrative purposes only, and forms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plain view thereof;

FIG. 5 is a bottom plain view thereof; and,

FIG. 6 is a reduced perspective view as attached to a full lawnmower that is shown in phantom. 

The ornamental design of a lawn mower cleaning attachment, as shown and described. 